<template>
  <div class="find">
    <van-nav-bar title="首页" fixed placeholder/>
  
  <van-search
    shape="round"
    v-model="value"
    placeholder="请输入搜索关键词"
    @search="onSearch"
    @input="onInput"
  />
    <!-- 搜索下容器 -->
    <div class="search_wrap">
      <!-- 标题 -->
      <p class="hot_title">热门搜索</p>
      <!-- 热搜关键词容器 -->
      <div class="hot_name_wrap" v-if="result.length===0">
        <!-- 每个搜索关键词 -->
        <span class="hot_item" 
        v-for="(item,index) in hotList" :key="index"
        @click="value=item.first;onSearch()">
          {{item.first}}
        </span>
      </div>
      <!-- 搜索结果 -->
    <div class="search_wrap" v-else>
      <!-- 标题 -->
      <p class="hot_title">最佳匹配</p>
      <van-cell v-for="item in result" :key="item.id" :title="item.name " 
      size="large" :label="item.artists[0].name" @click="$router.push({name:'play',query:{id:item.id}})">
        <template #right-icon>
          <van-icon name="play-circle-o" class="play-icon" />
        </template>
      </van-cell>
    </div>
    </div>
    
  </div>
</template>

<script>
export default {
  name: 'find',
  data () {
    return {
      value: '', // 搜索关键词
      result:[],
      hotList:[]
    }
  },
  methods: {
    onSearch(){
      this.$axios({
        url:`/search?keywords=${this.value}`,
        method:'get',
      }).then(res=>{
        //成功回调
        console.log(res)
        this.result=res.data.result.songs
      });
    },
    onInput(){
      if(this.value.length==0){
        this.result=[]
      }
    }
  },  
  created() {
    this.$axios({
      url:'/search/hot',
      method:'get',
    }).then(res=>{
      //成功回调
      console.log(res)
      this.hotList=res.data.result.hots
    });
  },
}
</script>

<style scoped lang="less">
/* 搜索容器的样式 */
.search_wrap {
  padding: 0.266667rem;
}

/*热门搜索文字标题样式 */
.hot_title {
  font-size: 0.32rem;
  color: #666;
}

/* 热搜词_容器 */
.hot_name_wrap {
  margin: 0.266667rem 0;
}

/* 热搜词_样式 */
.hot_item {
  display: inline-block;
  height: 32px;
  margin-right: 8px;
  margin-bottom: 8px;
  padding: 0 14px;
  font-size: 14px;
  line-height: 32px;
  color: #333;
  border-color: #d3d4da;
  border-radius: 0.853333rem;
  border: 1px solid #d3d4da;
}

/* 给单元格设置底部边框 */
.van-cell {
  border-bottom: 1px solid lightgray;
}
.find .play-icon {
  font-size: 30px;
  color: gray;
}
.find {
  .van-cell__title {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
}
</style>
